TEST51RESET#2TEST73TEST84TEST95VSS6TXA7AREF8CDREF9CBIAS10TEST1011VSSA12VDDA13RXA14RXAF15RXAFI16XOUT17XIN18VSSA19VSS20VDD21RTS#22TXD23TEST1124RXD25CD26TEST1227TEST128TEST229VDD30TEST331TEST432